//
//  RootViewController.m
//  BlockHW3
//
//  Created by dllo on 15/11/24.
//  Copyright (c) 2015年 dllo. All rights reserved.
//

#import "RootViewController.h"
#import "SecondViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = [UIColor whiteColor];
    
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"下一页" style:UIBarButtonItemStylePlain target:self action:@selector(rightAction:)];
    
    
    
}

- (void)rightAction:(UIBarButtonItem *)sender
{
    SecondViewController *secondVC = [[SecondViewController alloc] init];
    
    __unsafe_unretained RootViewController *rootVC = self;
    void (^colorBlock)(UIColor *) = ^(UIColor *myColor){
        rootVC.view.backgroundColor = myColor;
    };
    
    [secondVC sendBlock:colorBlock str:@"yay"];
    
    [self.navigationController pushViewController:secondVC animated:YES];
    [secondVC release];
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end
